{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9640621","patent":{"patent_number":"US-9640621","title":"Glass-ceramic substrates for semiconductor processing","assignee":null,"inventors":[],"filing_date":"2013-06-27T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L"],"num_claims":15,"abstract":"Embodiments are directed to glass-ceramic substrates with a III-V semiconductor layer, for example, a GaN layer that can be used in LED lighting devices. The glass-ceramics material is in the anorthite-rutile (CaAl2Si2O8+TiO2) family or in the cordierite-enstatite (SiO2—Al2O3—MgO—TiO2) family."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Glass-ceramic substrates for semiconductor processing","description":"Embodiments are directed to glass-ceramic substrates with a III-V semiconductor layer, for example, a GaN layer that can be used in LED lighting devices. The glass-ceramics material is in the anorthit","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9640621","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9640621","citation_suggestion":"Patentable. \"Glass-ceramic substrates for semiconductor processing\" (US-9640621). https://patentable.app/patents/US-9640621","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9640621","json":"https://patentable.app/api/llm-context/US-9640621","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T14:40:52.001Z"}